Home / 345,936.30-518,904.45-96,618.30

Finding the Fourth Proportional to 345,936.30, 518,904.45 and 96,618.30

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Solution

The fourth proportional to 345,936.30, 518,904.45 and 96,618.30 is: 144,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,936.30 : 518,904.45 = 96,618.30 : x
  2. Step 2: Convert to fraction form
    345,936.30/518,904.45 = 96,618.30/x
  3. Step 3: Cross multiply
    345,936.30x = 518,904.45 × 96,618.30
  4. Step 4: Simplify right side
    345,936.30x = 50,135,665,821.44
  5. Step 5: Solve for x
    x = 50,135,665,821.44/345,936.30
  6. Step 6: Final answer
    x = 144,927.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.